Hallöchen! Graeme Gill writes: > Torsten Bronger wrote: > >>> I can add code to use XRandR V1.3 XRRGetScreenResourcesCurrent() >>> when available if that makes any difference ? >> >> I cannot tell, I'm not in this topic deeply enough I'm afraid. > > Source code here for a version that uses XRRGetScreenResourcesCurrent(): > <http://www.argyllcms.com/Argyll_dev_src.zip> While dispwin indeed causes no blackout anymore, I still could not "profile" and "report on uncalibrated display device" in dispcalGUI. The following addition enabled me to use Argyll fully: diff -Naur Argyll_V1.6.0_beta/spectro/dispsup.c Argyll_V1.6.0_beta_new/spectro/dispsup.c --- Argyll_V1.6.0_beta/spectro/dispsup.c 2013-07-16 04:53:19.000000000 +0200 +++ Argyll_V1.6.0_beta_new/spectro/dispsup.c 2013-07-17 21:28:43.279161848 +0200 @@ -2350,6 +2350,7 @@ /* Close the positioning window */ if (p->dw != NULL) { p->dw->del(p->dw); + sleep(7); } /* Open display window again for measurement */ -- Torsten Bronger Jabber ID: torsten.bronger@xxxxxxxxxxxxxxxxxxxxx or http://bronger-jmp.appspot.com